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<h1>/home/dwoods/DevIL/src-IL/include/il_vtf.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//-----------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">//</span>
<a name="l00003"></a>00003 <span class="comment">// ImageLib Sources</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 2000-2009 by Denton Woods</span>
<a name="l00005"></a>00005 <span class="comment">// Last modified: 02/28/2009</span>
<a name="l00006"></a>00006 <span class="comment">//</span>
<a name="l00007"></a>00007 <span class="comment">// Filename: src-IL/include/il_vtf.h</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Description: Reads from and writes to a Valve Texture Format (.vtf) file.</span>
<a name="l00010"></a>00010 <span class="comment">// These are used in Valve's Source games. VTF specs available</span>
<a name="l00011"></a>00011 <span class="comment">// from http://developer.valvesoftware.com/wiki/VTF.</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">//-----------------------------------------------------------------------------</span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#ifndef VTF_H</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#define VTF_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include "il_internal.h"</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifdef _MSC_VER</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#pragma pack(push, vtf_struct, 1)</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#elif defined(MACOSX) || defined(__GNUC__)</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#pragma pack(1)</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span>
<a name="l00027"></a>00027 <span class="keyword">typedef</span> <span class="keyword">struct </span>VTFHEAD
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029 ILubyte Signature[4]; <span class="comment">// File signature ("VTF\0").</span>
<a name="l00030"></a>00030 ILuint Version[2]; <span class="comment">// version[0].version[1] (currently 7.2).</span>
<a name="l00031"></a>00031 ILuint HeaderSize; <span class="comment">// Size of the header struct (16 byte aligned; currently 80 bytes).</span>
<a name="l00032"></a>00032 ILushort Width; <span class="comment">// Width of the largest mipmap in pixels. Must be a power of 2.</span>
<a name="l00033"></a>00033 ILushort Height; <span class="comment">// Height of the largest mipmap in pixels. Must be a power of 2.</span>
<a name="l00034"></a>00034 ILuint Flags; <span class="comment">// VTF flags.</span>
<a name="l00035"></a>00035 ILushort Frames; <span class="comment">// Number of frames, if animated (1 for no animation).</span>
<a name="l00036"></a>00036 ILushort FirstFrame; <span class="comment">// First frame in animation (0 based).</span>
<a name="l00037"></a>00037 ILubyte Padding0[4]; <span class="comment">// reflectivity padding (16 byte alignment).</span>
<a name="l00038"></a>00038 ILfloat Reflectivity[3]; <span class="comment">// reflectivity vector.</span>
<a name="l00039"></a>00039 ILubyte Padding1[4]; <span class="comment">// reflectivity padding (8 byte packing).</span>
<a name="l00040"></a>00040 ILfloat BumpmapScale; <span class="comment">// Bumpmap scale.</span>
<a name="l00041"></a>00041 ILuint HighResImageFormat; <span class="comment">// High resolution image format.</span>
<a name="l00042"></a>00042 ILubyte MipmapCount; <span class="comment">// Number of mipmaps.</span>
<a name="l00043"></a>00043 ILuint LowResImageFormat; <span class="comment">// Low resolution image format (always DXT1).</span>
<a name="l00044"></a>00044 ILubyte LowResImageWidth; <span class="comment">// Low resolution image width.</span>
<a name="l00045"></a>00045 ILubyte LowResImageHeight; <span class="comment">// Low resolution image height.</span>
<a name="l00046"></a>00046 ILushort Depth; <span class="comment">// Depth of the largest mipmap in pixels.</span>
<a name="l00047"></a>00047 <span class="comment">// Must be a power of 2. Can be 0 or 1 for a 2D texture (v7.2 only).</span>
<a name="l00048"></a>00048 } IL_PACKSTRUCT VTFHEAD;
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="preprocessor">#if defined(MACOSX) || defined(__GNUC__)</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor">#pragma pack()</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span><span class="preprocessor">#elif _MSC_VER</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span><span class="preprocessor">#pragma pack(pop, vtf_struct)</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span>
<a name="l00056"></a>00056 <span class="keyword">enum</span>
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 IMAGE_FORMAT_NONE = -1,
<a name="l00059"></a>00059 IMAGE_FORMAT_RGBA8888 = 0,
<a name="l00060"></a>00060 IMAGE_FORMAT_ABGR8888,
<a name="l00061"></a>00061 IMAGE_FORMAT_RGB888,
<a name="l00062"></a>00062 IMAGE_FORMAT_BGR888,
<a name="l00063"></a>00063 IMAGE_FORMAT_RGB565,
<a name="l00064"></a>00064 IMAGE_FORMAT_I8,
<a name="l00065"></a>00065 IMAGE_FORMAT_IA88,
<a name="l00066"></a>00066 IMAGE_FORMAT_P8,
<a name="l00067"></a>00067 IMAGE_FORMAT_A8,
<a name="l00068"></a>00068 IMAGE_FORMAT_RGB888_BLUESCREEN,
<a name="l00069"></a>00069 IMAGE_FORMAT_BGR888_BLUESCREEN,
<a name="l00070"></a>00070 IMAGE_FORMAT_ARGB8888,
<a name="l00071"></a>00071 IMAGE_FORMAT_BGRA8888,
<a name="l00072"></a>00072 IMAGE_FORMAT_DXT1,
<a name="l00073"></a>00073 IMAGE_FORMAT_DXT3,
<a name="l00074"></a>00074 IMAGE_FORMAT_DXT5,
<a name="l00075"></a>00075 IMAGE_FORMAT_BGRX8888,
<a name="l00076"></a>00076 IMAGE_FORMAT_BGR565,
<a name="l00077"></a>00077 IMAGE_FORMAT_BGRX5551,
<a name="l00078"></a>00078 IMAGE_FORMAT_BGRA4444,
<a name="l00079"></a>00079 IMAGE_FORMAT_DXT1_ONEBITALPHA,
<a name="l00080"></a>00080 IMAGE_FORMAT_BGRA5551,
<a name="l00081"></a>00081 IMAGE_FORMAT_UV88,
<a name="l00082"></a>00082 IMAGE_FORMAT_UVWQ8888,
<a name="l00083"></a>00083 IMAGE_FORMAT_RGBA16161616F,
<a name="l00084"></a>00084 IMAGE_FORMAT_RGBA16161616,
<a name="l00085"></a>00085 IMAGE_FORMAT_UVLX8888
<a name="l00086"></a>00086 };
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">enum</span>
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 TEXTUREFLAGS_POINTSAMPLE = 0x00000001,
<a name="l00091"></a>00091 TEXTUREFLAGS_TRILINEAR = 0x00000002,
<a name="l00092"></a>00092 TEXTUREFLAGS_CLAMPS = 0x00000004,
<a name="l00093"></a>00093 TEXTUREFLAGS_CLAMPT = 0x00000008,
<a name="l00094"></a>00094 TEXTUREFLAGS_ANISOTROPIC = 0x00000010,
<a name="l00095"></a>00095 TEXTUREFLAGS_HINT_DXT5 = 0x00000020,
<a name="l00096"></a>00096 TEXTUREFLAGS_NOCOMPRESS = 0x00000040,
<a name="l00097"></a>00097 TEXTUREFLAGS_NORMAL = 0x00000080,
<a name="l00098"></a>00098 TEXTUREFLAGS_NOMIP = 0x00000100,
<a name="l00099"></a>00099 TEXTUREFLAGS_NOLOD = 0x00000200,
<a name="l00100"></a>00100 TEXTUREFLAGS_MINMIP = 0x00000400,
<a name="l00101"></a>00101 TEXTUREFLAGS_PROCEDURAL = 0x00000800,
<a name="l00102"></a>00102 TEXTUREFLAGS_ONEBITALPHA = 0x00001000,
<a name="l00103"></a>00103 TEXTUREFLAGS_EIGHTBITALPHA = 0x00002000,
<a name="l00104"></a>00104 TEXTUREFLAGS_ENVMAP = 0x00004000,
<a name="l00105"></a>00105 TEXTUREFLAGS_RENDERTARGET = 0x00008000,
<a name="l00106"></a>00106 TEXTUREFLAGS_DEPTHRENDERTARGET = 0x00010000,
<a name="l00107"></a>00107 TEXTUREFLAGS_NODEBUGOVERRIDE = 0x00020000,
<a name="l00108"></a>00108 TEXTUREFLAGS_SINGLECOPY = 0x00040000,
<a name="l00109"></a>00109 TEXTUREFLAGS_ONEOVERMIPLEVELINALPHA = 0x00080000,
<a name="l00110"></a>00110 TEXTUREFLAGS_PREMULTCOLORBYONEOVERMIPLEVEL = 0x00100000,
<a name="l00111"></a>00111 TEXTUREFLAGS_NORMALTODUDV = 0x00200000,
<a name="l00112"></a>00112 TEXTUREFLAGS_ALPHATESTMIPGENERATION = 0x00400000,
<a name="l00113"></a>00113 TEXTUREFLAGS_NODEPTHBUFFER = 0x00800000,
<a name="l00114"></a>00114 TEXTUREFLAGS_NICEFILTERED = 0x01000000,
<a name="l00115"></a>00115 TEXTUREFLAGS_CLAMPU = 0x02000000
<a name="l00116"></a>00116 };
<a name="l00117"></a>00117
<a name="l00118"></a>00118
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="comment">// Internal functions</span>
<a name="l00121"></a>00121 ILboolean iIsValidVtf(<span class="keywordtype">void</span>);
<a name="l00122"></a>00122 ILboolean iGetVtfHead(VTFHEAD *Header);
<a name="l00123"></a>00123 ILboolean iCheckVtf(VTFHEAD *Header);
<a name="l00124"></a>00124 ILboolean iLoadVtfInternal(<span class="keywordtype">void</span>);
<a name="l00125"></a>00125 ILboolean VtfInitFacesMipmaps(<a class="code" href="structILimage.html" title="The Fundamental Image structure.">ILimage</a> *BaseImage, ILuint NumFaces, VTFHEAD *Header);
<a name="l00126"></a>00126 ILboolean VtfInitMipmaps(<a class="code" href="structILimage.html" title="The Fundamental Image structure.">ILimage</a> *BaseImage, VTFHEAD *Header);
<a name="l00127"></a>00127 ILboolean VtfReadData(<span class="keywordtype">void</span>);
<a name="l00128"></a>00128 ILboolean VtfDecompressDXT1(<a class="code" href="structILimage.html" title="The Fundamental Image structure.">ILimage</a> *Image);
<a name="l00129"></a>00129 ILboolean VtfDecompressDXT5(<a class="code" href="structILimage.html" title="The Fundamental Image structure.">ILimage</a> *Image);
<a name="l00130"></a>00130 ILboolean iSaveVtfInternal(<span class="keywordtype">void</span>);
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="preprocessor">#endif//VTF_H</span>
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